elf.h revision 1.3 1 /* $NetBSD: elf.h,v 1.3 2014/01/03 16:40:58 dsl Exp $ */
2 @@
3
4 /*-
5 * Copyright (c) 1994 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Christos Zoulas.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _STAND_E32BOOT_ELF_H_
34 #define _STAND_E32BOOT_ELF_H_
35
36 /*
37 * The current ELF ABI specification is available at:
38 * http://www.sco.com/developers/gabi/
39 *
40 * Current header definitions are in:
41 * http://www.sco.com/developers/gabi/latest/ch4.eheader.html
42 */
43
44 typedef unsigned char uint8_t;
45 typedef unsigned short int uint16_t;
46 typedef unsigned int uint32_t;
47 typedef unsigned long long int uint64_t;
48 typedef signed char int8_t;
49 typedef int int32_t;
50 typedef long long int int64_t;
51
52
53 typedef uint8_t Elf_Byte;
54
55 typedef uint32_t Elf32_Addr;
56 #define ELF32_FSZ_ADDR 4
57 typedef uint32_t Elf32_Off;
58 typedef int32_t Elf32_SOff;
59 #define ELF32_FSZ_OFF 4
60 typedef int32_t Elf32_Sword;
61 #define ELF32_FSZ_SWORD 4
62 typedef uint32_t Elf32_Word;
63 #define ELF32_FSZ_WORD 4
64 typedef uint16_t Elf32_Half;
65 #define ELF32_FSZ_HALF 2
66 typedef uint64_t Elf32_Lword;
67 #define ELF32_FSZ_LWORD 8
68
69 typedef uint64_t Elf64_Addr;
70 #define ELF64_FSZ_ADDR 8
71 typedef uint64_t Elf64_Off;
72 typedef int64_t Elf64_SOff;
73 #define ELF64_FSZ_OFF 8
74
75 typedef int32_t Elf64_Sword;
76 #define ELF64_FSZ_SWORD 4
77 typedef uint32_t Elf64_Word;
78 #define ELF64_FSZ_WORD 4
79
80 typedef int64_t Elf64_Sxword;
81 #define ELF64_FSZ_SXWORD 8
82 typedef uint64_t Elf64_Xword;
83 #define ELF64_FSZ_XWORD 8
84 typedef uint64_t Elf64_Lword;
85 #define ELF64_FSZ_LWORD 8
86 typedef uint16_t Elf64_Half;
87 #define ELF64_FSZ_HALF 2
88
89 /*
90 * ELF Header
91 */
92 #define ELF_NIDENT 16
93
94 typedef struct {
95 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
96 Elf32_Half e_type; /* file type */
97 Elf32_Half e_machine; /* machine type */
98 Elf32_Word e_version; /* version number */
99 Elf32_Addr e_entry; /* entry point */
100 Elf32_Off e_phoff; /* Program hdr offset */
101 Elf32_Off e_shoff; /* Section hdr offset */
102 Elf32_Word e_flags; /* Processor flags */
103 Elf32_Half e_ehsize; /* sizeof ehdr */
104 Elf32_Half e_phentsize; /* Program header entry size */
105 Elf32_Half e_phnum; /* Number of program headers */
106 Elf32_Half e_shentsize; /* Section header entry size */
107 Elf32_Half e_shnum; /* Number of section headers */
108 Elf32_Half e_shstrndx; /* String table index */
109 } Elf32_Ehdr;
110
111 typedef struct {
112 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
113 Elf64_Half e_type; /* file type */
114 Elf64_Half e_machine; /* machine type */
115 Elf64_Word e_version; /* version number */
116 Elf64_Addr e_entry; /* entry point */
117 Elf64_Off e_phoff; /* Program hdr offset */
118 Elf64_Off e_shoff; /* Section hdr offset */
119 Elf64_Word e_flags; /* Processor flags */
120 Elf64_Half e_ehsize; /* sizeof ehdr */
121 Elf64_Half e_phentsize; /* Program header entry size */
122 Elf64_Half e_phnum; /* Number of program headers */
123 Elf64_Half e_shentsize; /* Section header entry size */
124 Elf64_Half e_shnum; /* Number of section headers */
125 Elf64_Half e_shstrndx; /* String table index */
126 } Elf64_Ehdr;
127
128 /* e_ident offsets */
129 #define EI_MAG0 0 /* '\177' */
130 #define EI_MAG1 1 /* 'E' */
131 #define EI_MAG2 2 /* 'L' */
132 #define EI_MAG3 3 /* 'F' */
133 #define EI_CLASS 4 /* File class */
134 #define EI_DATA 5 /* Data encoding */
135 #define EI_VERSION 6 /* File version */
136 #define EI_OSABI 7 /* Operating system/ABI identification */
137 #define EI_ABIVERSION 8 /* ABI version */
138 #define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/
139 #define EI_NIDENT 16 /* First non-ident header byte */
140
141 /* e_ident[EI_MAG0,EI_MAG3] */
142 #define ELFMAG0 0x7f
143 #define ELFMAG1 'E'
144 #define ELFMAG2 'L'
145 #define ELFMAG3 'F'
146 #define ELFMAG "\177ELF"
147 #define SELFMAG 4
148
149 /* e_ident[EI_CLASS] */
150 #define ELFCLASSNONE 0 /* Invalid class */
151 #define ELFCLASS32 1 /* 32-bit objects */
152 #define ELFCLASS64 2 /* 64-bit objects */
153 #define ELFCLASSNUM 3
154
155 /* e_ident[EI_DATA] */
156 #define ELFDATANONE 0 /* Invalid data encoding */
157 #define ELFDATA2LSB 1 /* 2's complement values, LSB first */
158 #define ELFDATA2MSB 2 /* 2's complement values, MSB first */
159
160 /* e_ident[EI_VERSION] */
161 #define EV_NONE 0 /* Invalid version */
162 #define EV_CURRENT 1 /* Current version */
163 #define EV_NUM 2
164
165 /* e_ident[EI_OSABI] */
166 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */
167 #define ELFOSABI_HPUX 1 /* HP-UX operating system */
168 #define ELFOSABI_NETBSD 2 /* NetBSD */
169 #define ELFOSABI_LINUX 3 /* GNU/Linux */
170 #define ELFOSABI_HURD 4 /* GNU/Hurd */
171 #define ELFOSABI_86OPEN 5 /* 86Open */
172 #define ELFOSABI_SOLARIS 6 /* Solaris */
173 #define ELFOSABI_MONTEREY 7 /* Monterey */
174 #define ELFOSABI_IRIX 8 /* IRIX */
175 #define ELFOSABI_FREEBSD 9 /* FreeBSD */
176 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */
177 #define ELFOSABI_MODESTO 11 /* Novell Modesto */
178 #define ELFOSABI_OPENBSD 12 /* OpenBSD */
179 #define ELFOSABI_OPENVMS 13 /* OpenVMS */
180 #define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
181 #define ELFOSABI_AROS 15 /* Amiga Research OS */
182 /* Unofficial OSABIs follow */
183 #define ELFOSABI_ARM 97 /* ARM */
184 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
185
186 #define ELFOSABI_NONE ELFOSABI_SYSV
187 #define ELFOSABI_AIX ELFOSABI_MONTEREY
188
189 /* e_type */
190 #define ET_NONE 0 /* No file type */
191 #define ET_REL 1 /* Relocatable file */
192 #define ET_EXEC 2 /* Executable file */
193 #define ET_DYN 3 /* Shared object file */
194 #define ET_CORE 4 /* Core file */
195 #define ET_NUM 5
196
197 #define ET_LOOS 0xfe00 /* Operating system specific range */
198 #define ET_HIOS 0xfeff
199 #define ET_LOPROC 0xff00 /* Processor-specific range */
200 #define ET_HIPROC 0xffff
201
202 /* e_machine */
203 #define EM_NONE 0 /* No machine */
204 #define EM_M32 1 /* AT&T WE 32100 */
205 #define EM_SPARC 2 /* SPARC */
206 #define EM_386 3 /* Intel 80386 */
207 #define EM_68K 4 /* Motorola 68000 */
208 #define EM_88K 5 /* Motorola 88000 */
209 #define EM_486 6 /* Intel 80486 */
210 #define EM_860 7 /* Intel 80860 */
211 #define EM_MIPS 8 /* MIPS I Architecture */
212 #define EM_S370 9 /* Amdahl UTS on System/370 */
213 #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */
214 /* 11-14 - Reserved */
215 #define EM_RS6000 11 /* IBM RS/6000 XXX reserved */
216 #define EM_PARISC 15 /* Hewlett-Packard PA-RISC */
217 #define EM_NCUBE 16 /* NCube XXX reserved */
218 #define EM_VPP500 17 /* Fujitsu VPP500 */
219 #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
220 #define EM_960 19 /* Intel 80960 */
221 #define EM_PPC 20 /* PowerPC */
222 #define EM_PPC64 21 /* 64-bit PowerPC */
223 /* 22-35 - Reserved */
224 #define EM_S390 22 /* System/390 XXX reserved */
225 #define EM_V800 36 /* NEC V800 */
226 #define EM_FR20 37 /* Fujitsu FR20 */
227 #define EM_RH32 38 /* TRW RH-32 */
228 #define EM_RCE 39 /* Motorola RCE */
229 #define EM_ARM 40 /* Advanced RISC Machines ARM */
230 #define EM_ALPHA 41 /* DIGITAL Alpha */
231 #define EM_SH 42 /* Hitachi Super-H */
232 #define EM_SPARCV9 43 /* SPARC Version 9 */
233 #define EM_TRICORE 44 /* Siemens Tricore */
234 #define EM_ARC 45 /* Argonaut RISC Core */
235 #define EM_H8_300 46 /* Hitachi H8/300 */
236 #define EM_H8_300H 47 /* Hitachi H8/300H */
237 #define EM_H8S 48 /* Hitachi H8S */
238 #define EM_H8_500 49 /* Hitachi H8/500 */
239 #define EM_IA_64 50 /* Intel Merced Processor */
240 #define EM_MIPS_X 51 /* Stanford MIPS-X */
241 #define EM_COLDFIRE 52 /* Motorola Coldfire */
242 #define EM_68HC12 53 /* Motorola MC68HC12 */
243 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */
244 #define EM_PCP 55 /* Siemens PCP */
245 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
246 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
247 #define EM_STARCORE 58 /* Motorola Star*Core processor */
248 #define EM_ME16 59 /* Toyota ME16 processor */
249 #define EM_ST100 60 /* STMicroelectronics ST100 processor */
250 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */
251 #define EM_X86_64 62 /* AMD x86-64 architecture */
252 #define EM_PDSP 63 /* Sony DSP Processor */
253 #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
254 #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
255 #define EM_FX66 66 /* Siemens FX66 microcontroller */
256 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
257 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
258 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
259 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
260 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
261 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
262 #define EM_SVX 73 /* Silicon Graphics SVx */
263 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */
264 #define EM_VAX 75 /* Digital VAX */
265 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
266 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */
267 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
268 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
269 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
270 #define EM_HUANY 81 /* Harvard's machine-independent format */
271 #define EM_PRISM 82 /* SiTera Prism */
272 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
273 #define EM_FR30 84 /* Fujitsu FR30 */
274 #define EM_D10V 85 /* Mitsubishi D10V */
275 #define EM_D30V 86 /* Mitsubishi D30V */
276 #define EM_V850 87 /* NEC v850 */
277 #define EM_M32R 88 /* Mitsubishi M32R */
278 #define EM_MN10300 89 /* Matsushita MN10300 */
279 #define EM_MN10200 90 /* Matsushita MN10200 */
280 #define EM_PJ 91 /* picoJava */
281 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
282 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
283 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
284 #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
285 #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
286 #define EM_NS32K 97 /* National Semiconductor 32000 series */
287 #define EM_TPC 98 /* Tenor Network TPC processor */
288 #define EM_SNP1K 99 /* Trebia SNP 1000 processor */
289 #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */
290 #define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family */
291 #define EM_MAX 102 /* MAX processor */
292 #define EM_CR 103 /* National Semiconductor CompactRISC micorprocessor */
293 #define EM_F2MC16 104 /* Fujitsu F2MC16 */
294 #define EM_MSP430 105 /* Texas Instruments MSP430 */
295 #define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */
296 #define EM_SE_C33 107 /* Seiko Epson S1C33 family */
297 #define EM_SEP 108 /* Sharp embedded microprocessor */
298 #define EM_ARCA 109 /* Arca RISC microprocessor */
299 #define EM_UNICORE 110 /* UNICORE from PKU-Unity Ltd. and MPRC Peking University */
300
301 /* Unofficial machine types follow */
302 #define EM_AVR32 6317 /* used by NetBSD/avr32 */
303 #define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */
304 #define EM_NUM 36903
305
306 /*
307 * Program Header
308 */
309 typedef struct {
310 Elf32_Word p_type; /* entry type */
311 Elf32_Off p_offset; /* offset */
312 Elf32_Addr p_vaddr; /* virtual address */
313 Elf32_Addr p_paddr; /* physical address */
314 Elf32_Word p_filesz; /* file size */
315 Elf32_Word p_memsz; /* memory size */
316 Elf32_Word p_flags; /* flags */
317 Elf32_Word p_align; /* memory & file alignment */
318 } Elf32_Phdr;
319
320 typedef struct {
321 Elf64_Word p_type; /* entry type */
322 Elf64_Word p_flags; /* flags */
323 Elf64_Off p_offset; /* offset */
324 Elf64_Addr p_vaddr; /* virtual address */
325 Elf64_Addr p_paddr; /* physical address */
326 Elf64_Xword p_filesz; /* file size */
327 Elf64_Xword p_memsz; /* memory size */
328 Elf64_Xword p_align; /* memory & file alignment */
329 } Elf64_Phdr;
330
331 /* p_type */
332 #define PT_NULL 0 /* Program header table entry unused */
333 #define PT_LOAD 1 /* Loadable program segment */
334 #define PT_DYNAMIC 2 /* Dynamic linking information */
335 #define PT_INTERP 3 /* Program interpreter */
336 #define PT_NOTE 4 /* Auxiliary information */
337 #define PT_SHLIB 5 /* Reserved, unspecified semantics */
338 #define PT_PHDR 6 /* Entry for header table itself */
339 #define PT_TLS 7 /* TLS initialisation image */
340 #define PT_NUM 8
341
342 #define PT_LOOS 0x60000000 /* OS-specific range */
343
344 /* GNU-specific */
345 #define PT_GNU_EH_FRAME 0x6474e550 /* EH frame segment */
346 #define PT_GNU_STACK 0x6474e551 /* Indicate executable stack */
347 #define PT_GNU_RELRO 0x6474e552 /* Make read-only after relocation */
348
349 #define PT_HIOS 0x6fffffff
350 #define PT_LOPROC 0x70000000 /* Processor-specific range */
351 #define PT_HIPROC 0x7fffffff
352
353 #define PT_MIPS_REGINFO 0x70000000
354
355 /* p_flags */
356 #define PF_R 0x4 /* Segment is readable */
357 #define PF_W 0x2 /* Segment is writable */
358 #define PF_X 0x1 /* Segment is executable */
359
360 #define PF_MASKOS 0x0ff00000 /* Operating system specific values */
361 #define PF_MASKPROC 0xf0000000 /* Processor-specific values */
362
363 /* Extended program header index. */
364 #define PN_XNUM 0xffff
365
366 /*
367 * Section Headers
368 */
369 typedef struct {
370 Elf32_Word sh_name; /* section name (.shstrtab index) */
371 Elf32_Word sh_type; /* section type */
372 Elf32_Word sh_flags; /* section flags */
373 Elf32_Addr sh_addr; /* virtual address */
374 Elf32_Off sh_offset; /* file offset */
375 Elf32_Word sh_size; /* section size */
376 Elf32_Word sh_link; /* link to another */
377 Elf32_Word sh_info; /* misc info */
378 Elf32_Word sh_addralign; /* memory alignment */
379 Elf32_Word sh_entsize; /* table entry size */
380 } Elf32_Shdr;
381
382 typedef struct {
383 Elf64_Word sh_name; /* section name (.shstrtab index) */
384 Elf64_Word sh_type; /* section type */
385 Elf64_Xword sh_flags; /* section flags */
386 Elf64_Addr sh_addr; /* virtual address */
387 Elf64_Off sh_offset; /* file offset */
388 Elf64_Xword sh_size; /* section size */
389 Elf64_Word sh_link; /* link to another */
390 Elf64_Word sh_info; /* misc info */
391 Elf64_Xword sh_addralign; /* memory alignment */
392 Elf64_Xword sh_entsize; /* table entry size */
393 } Elf64_Shdr;
394
395 /* sh_type */
396 #define SHT_NULL 0 /* Section header table entry unused */
397 #define SHT_PROGBITS 1 /* Program information */
398 #define SHT_SYMTAB 2 /* Symbol table */
399 #define SHT_STRTAB 3 /* String table */
400 #define SHT_RELA 4 /* Relocation information w/ addend */
401 #define SHT_HASH 5 /* Symbol hash table */
402 #define SHT_DYNAMIC 6 /* Dynamic linking information */
403 #define SHT_NOTE 7 /* Auxiliary information */
404 #define SHT_NOBITS 8 /* No space allocated in file image */
405 #define SHT_REL 9 /* Relocation information w/o addend */
406 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */
407 #define SHT_DYNSYM 11 /* Symbol table for dynamic linker */
408 #define SHT_INIT_ARRAY 14 /* Initialization function pointers */
409 #define SHT_FINI_ARRAY 15 /* Termination function pointers */
410 #define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs */
411 #define SHT_GROUP 17 /* Section group */
412 #define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX) */
413 #define SHT_NUM 19
414
415 #define SHT_LOOS 0x60000000 /* Operating system specific range */
416 #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */
417 #define SHT_SUNW_move 0x6ffffffa
418 #define SHT_SUNW_syminfo 0x6ffffffc
419 #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
420 #define SHT_GNU_verdef SHT_SUNW_verdef
421 #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
422 #define SHT_GNU_verneed SHT_SUNW_verneed
423 #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
424 #define SHT_GNU_versym SHT_SUNW_versym
425 #define SHT_HIOS 0x6fffffff
426 #define SHT_LOPROC 0x70000000 /* Processor-specific range */
427 #define SHT_AMD64_UNWIND 0x70000001 /* unwind information */
428 #define SHT_HIPROC 0x7fffffff
429 #define SHT_LOUSER 0x80000000 /* Application-specific range */
430 #define SHT_HIUSER 0xffffffff
431
432 /* sh_flags */
433 #define SHF_WRITE 0x00000001 /* Contains writable data */
434 #define SHF_ALLOC 0x00000002 /* Occupies memory */
435 #define SHF_EXECINSTR 0x00000004 /* Contains executable insns */
436 #define SHF_MERGE 0x00000010 /* Might be merged */
437 #define SHF_STRINGS 0x00000020 /* Contains nul terminated strings */
438 #define SHF_INFO_LINK 0x00000040 /* "sh_info" contains SHT index */
439 #define SHF_LINK_ORDER 0x00000080 /* Preserve order after combining */
440 #define SHF_OS_NONCONFORMING 0x00000100 /* OS specific handling required */
441 #define SHF_GROUP 0x00000200 /* Is member of a group */
442 #define SHF_TLS 0x00000400 /* Holds thread-local data */
443 #define SHF_MASKOS 0x0ff00000 /* Operating system specific values */
444 #define SHF_MASKPROC 0xf0000000 /* Processor-specific values */
445 #define SHF_ORDERED 0x40000000 /* Ordering requirement (Solaris) */
446 #define SHF_EXCLUDE 0x80000000 /* Excluded unless unles ref/alloc
447 (Solaris).*/
448 /*
449 * Symbol Table
450 */
451 typedef struct {
452 Elf32_Word st_name; /* Symbol name (.strtab index) */
453 Elf32_Word st_value; /* value of symbol */
454 Elf32_Word st_size; /* size of symbol */
455 Elf_Byte st_info; /* type / binding attrs */
456 Elf_Byte st_other; /* unused */
457 Elf32_Half st_shndx; /* section index of symbol */
458 } Elf32_Sym;
459
460 typedef struct {
461 Elf64_Word st_name; /* Symbol name (.strtab index) */
462 Elf_Byte st_info; /* type / binding attrs */
463 Elf_Byte st_other; /* unused */
464 Elf64_Half st_shndx; /* section index of symbol */
465 Elf64_Addr st_value; /* value of symbol */
466 Elf64_Xword st_size; /* size of symbol */
467 } Elf64_Sym;
468
469 /* Symbol Table index of the undefined symbol */
470 #define ELF_SYM_UNDEFINED 0
471
472 #define STN_UNDEF 0 /* undefined index */
473
474 /* st_info: Symbol Bindings */
475 #define STB_LOCAL 0 /* local symbol */
476 #define STB_GLOBAL 1 /* global symbol */
477 #define STB_WEAK 2 /* weakly defined global symbol */
478 #define STB_NUM 3
479
480 #define STB_LOOS 10 /* Operating system specific range */
481 #define STB_HIOS 12
482 #define STB_LOPROC 13 /* Processor-specific range */
483 #define STB_HIPROC 15
484
485 /* st_info: Symbol Types */
486 #define STT_NOTYPE 0 /* Type not specified */
487 #define STT_OBJECT 1 /* Associated with a data object */
488 #define STT_FUNC 2 /* Associated with a function */
489 #define STT_SECTION 3 /* Associated with a section */
490 #define STT_FILE 4 /* Associated with a file name */
491 #define STT_COMMON 5 /* Uninitialised common block */
492 #define STT_TLS 6 /* Thread local data object */
493 #define STT_NUM 7
494
495 #define STT_LOOS 10 /* Operating system specific range */
496 #define STT_HIOS 12
497 #define STT_LOPROC 13 /* Processor-specific range */
498 #define STT_HIPROC 15
499
500 /* st_other: Visibility Types */
501 #define STV_DEFAULT 0 /* use binding type */
502 #define STV_INTERNAL 1 /* not referenced from outside */
503 #define STV_HIDDEN 2 /* not visible, may be used via ptr */
504 #define STV_PROTECTED 3 /* visible, not preemptible */
505 #define STV_EXPORTED 4
506 #define STV_SINGLETON 5
507 #define STV_ELIMINATE 6
508
509 /* st_info/st_other utility macros */
510 #define ELF_ST_BIND(info) ((uint32_t)(info) >> 4)
511 #define ELF_ST_TYPE(info) ((uint32_t)(info) & 0xf)
512 #define ELF_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | \
513 ((type) & 0xf)))
514 #define ELF_ST_VISIBILITY(other) ((uint32_t)(other) & 3)
515
516 /*
517 * Special section indexes
518 */
519 #define SHN_UNDEF 0 /* Undefined section */
520
521 #define SHN_LORESERVE 0xff00 /* Reserved range */
522 #define SHN_ABS 0xfff1 /* Absolute symbols */
523 #define SHN_COMMON 0xfff2 /* Common symbols */
524 #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere */
525 #define SHN_HIRESERVE 0xffff
526
527 #define SHN_LOPROC 0xff00 /* Processor-specific range */
528 #define SHN_HIPROC 0xff1f
529 #define SHN_LOOS 0xff20 /* Operating system specific range */
530 #define SHN_HIOS 0xff3f
531
532 #define SHN_MIPS_ACOMMON 0xff00
533 #define SHN_MIPS_TEXT 0xff01
534 #define SHN_MIPS_DATA 0xff02
535 #define SHN_MIPS_SCOMMON 0xff03
536
537 /*
538 * Relocation Entries
539 */
540 typedef struct {
541 Elf32_Word r_offset; /* where to do it */
542 Elf32_Word r_info; /* index & type of relocation */
543 } Elf32_Rel;
544
545 typedef struct {
546 Elf32_Word r_offset; /* where to do it */
547 Elf32_Word r_info; /* index & type of relocation */
548 Elf32_Sword r_addend; /* adjustment value */
549 } Elf32_Rela;
550
551 /* r_info utility macros */
552 #define ELF32_R_SYM(info) ((info) >> 8)
553 #define ELF32_R_TYPE(info) ((info) & 0xff)
554 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
555
556 typedef struct {
557 Elf64_Addr r_offset; /* where to do it */
558 Elf64_Xword r_info; /* index & type of relocation */
559 } Elf64_Rel;
560
561 typedef struct {
562 Elf64_Addr r_offset; /* where to do it */
563 Elf64_Xword r_info; /* index & type of relocation */
564 Elf64_Sxword r_addend; /* adjustment value */
565 } Elf64_Rela;
566
567 /* r_info utility macros */
568 #define ELF64_R_SYM(info) ((info) >> 32)
569 #define ELF64_R_TYPE(info) ((info) & 0xffffffff)
570 #define ELF64_R_INFO(sym,type) (((sym) << 32) + (type))
571
572 /*
573 * Move entries
574 */
575 typedef struct {
576 Elf32_Lword m_value; /* symbol value */
577 Elf32_Word m_info; /* size + index */
578 Elf32_Word m_poffset; /* symbol offset */
579 Elf32_Half m_repeat; /* repeat count */
580 Elf32_Half m_stride; /* stride info */
581 } Elf32_Move;
582
583 #define ELF32_M_SYM(info) ((info) >> 8)
584 #define ELF32_M_SIZE(info) ((info) & 0xff)
585 #define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
586
587 typedef struct {
588 Elf64_Lword m_value; /* symbol value */
589 Elf64_Xword m_info; /* size + index */
590 Elf64_Xword m_poffset; /* symbol offset */
591 Elf64_Word m_repeat; /* repeat count */
592 Elf64_Word m_stride; /* stride info */
593 } Elf64_Move;
594
595 #define ELF64_M_SYM(info) ((info) >> 8)
596 #define ELF64_M_SIZE(info) ((info) & 0xff)
597 #define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
598
599 /*
600 * Hardware/software capabilities entry
601 */
602 typedef struct {
603 Elf32_Word c_tag; /* entry tag value */
604 union {
605 Elf32_Addr c_ptr;
606 Elf32_Word c_val;
607 } c_un;
608 } Elf32_Cap;
609
610 typedef struct {
611 Elf64_Xword c_tag; /* entry tag value */
612 union {
613 Elf64_Addr c_ptr;
614 Elf64_Xword c_val;
615 } c_un;
616 } Elf64_Cap;
617
618 /*
619 * Dynamic Section structure array
620 */
621 typedef struct {
622 Elf32_Word d_tag; /* entry tag value */
623 union {
624 Elf32_Addr d_ptr;
625 Elf32_Word d_val;
626 } d_un;
627 } Elf32_Dyn;
628
629 typedef struct {
630 Elf64_Xword d_tag; /* entry tag value */
631 union {
632 Elf64_Addr d_ptr;
633 Elf64_Xword d_val;
634 } d_un;
635 } Elf64_Dyn;
636
637 /* d_tag */
638 #define DT_NULL 0 /* Marks end of dynamic array */
639 #define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */
640 #define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */
641 #define DT_PLTGOT 3 /* Address of PLT and/or GOT */
642 #define DT_HASH 4 /* Address of symbol hash table */
643 #define DT_STRTAB 5 /* Address of string table */
644 #define DT_SYMTAB 6 /* Address of symbol table */
645 #define DT_RELA 7 /* Address of Rela relocation table */
646 #define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */
647 #define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */
648 #define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */
649 #define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */
650 #define DT_INIT 12 /* Address of initialization function */
651 #define DT_FINI 13 /* Address of termination function */
652 #define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */
653 #define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */
654 #define DT_SYMBOLIC 16 /* Start symbol search within local object */
655 #define DT_REL 17 /* Address of Rel relocation table */
656 #define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */
657 #define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */
658 #define DT_PLTREL 20 /* Type of PLT relocation entries */
659 #define DT_DEBUG 21 /* Used for debugging; unspecified */
660 #define DT_TEXTREL 22 /* Relocations might modify non-writable seg */
661 #define DT_JMPREL 23 /* Address of relocations associated with PLT */
662 #define DT_BIND_NOW 24 /* Process all relocations at load-time */
663 #define DT_INIT_ARRAY 25 /* Address of initialization function array */
664 #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */
665 #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */
666 #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/
667 #define DT_NUM 29
668
669 #define DT_LOOS 0x60000000 /* Operating system specific range */
670 #define DT_VERSYM 0x6ffffff0 /* Symbol versions */
671 #define DT_FLAGS_1 0x6ffffffb /* ELF dynamic flags */
672 #define DT_VERDEF 0x6ffffffc /* Versions defined by file */
673 #define DT_VERDEFNUM 0x6ffffffd /* Number of versions defined by file */
674 #define DT_VERNEED 0x6ffffffe /* Versions needed by file */
675 #define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */
676 #define DT_HIOS 0x6fffffff
677 #define DT_LOPROC 0x70000000 /* Processor-specific range */
678 #define DT_HIPROC 0x7fffffff
679
680 /* Flag values for DT_FLAGS_1 (incomplete) */
681 #define DF_1_BIND_NOW 0x00000001 /* Same as DF_BIND_NOW */
682 #define DF_1_NODELETE 0x00000008 /* Set the RTLD_NODELETE for object */
683 #define DF_1_INITFIRST 0x00000020 /* Object's init/fini take priority */
684 #define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */
685
686 /*
687 * Auxiliary Vectors
688 */
689 typedef struct {
690 Elf32_Word a_type; /* 32-bit id */
691 Elf32_Word a_v; /* 32-bit id */
692 } Aux32Info;
693
694 typedef struct {
695 Elf64_Word a_type; /* 32-bit id */
696 Elf64_Xword a_v; /* 64-bit id */
697 } Aux64Info;
698
699 /* a_type */
700 #define AT_NULL 0 /* Marks end of array */
701 #define AT_IGNORE 1 /* No meaning, a_un is undefined */
702 #define AT_EXECFD 2 /* Open file descriptor of object file */
703 #define AT_PHDR 3 /* &phdr[0] */
704 #define AT_PHENT 4 /* sizeof(phdr[0]) */
705 #define AT_PHNUM 5 /* # phdr entries */
706 #define AT_PAGESZ 6 /* PAGESIZE */
707 #define AT_BASE 7 /* Interpreter base addr */
708 #define AT_FLAGS 8 /* Processor flags */
709 #define AT_ENTRY 9 /* Entry address of executable */
710 #define AT_DCACHEBSIZE 10 /* Data cache block size */
711 #define AT_ICACHEBSIZE 11 /* Instruction cache block size */
712 #define AT_UCACHEBSIZE 12 /* Unified cache block size */
713 #define AT_STACKBASE 13 /* Base address of the main thread */
714
715 /* Vendor specific */
716 #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */
717
718 #define AT_EUID 2000 /* euid (solaris compatible numbers) */
719 #define AT_RUID 2001 /* ruid (solaris compatible numbers) */
720 #define AT_EGID 2002 /* egid (solaris compatible numbers) */
721 #define AT_RGID 2003 /* rgid (solaris compatible numbers) */
722
723 /* Solaris kernel specific */
724 #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
725 #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */
726 #define AT_SUN_LDNAME 2006 /* dynamic linker's name */
727 #define AT_SUN_LPGSIZE 2007 /* large pagesize */
728
729 /* Other information */
730 #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */
731 #define AT_SUN_HWCAP 2009 /* process hardware capabilities */
732 #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */
733 #define AT_SUN_CPU 2011 /* CPU name */
734 /* ibcs2 emulation band aid */
735 #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */
736 #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */
737 /* Executable's fully resolved name */
738 #define AT_SUN_EXECNAME 2014
739
740 /*
741 * Note Headers
742 */
743 typedef struct {
744 Elf32_Word n_namesz;
745 Elf32_Word n_descsz;
746 Elf32_Word n_type;
747 } Elf32_Nhdr;
748
749 typedef struct {
750 Elf64_Word n_namesz;
751 Elf64_Word n_descsz;
752 Elf64_Word n_type;
753 } Elf64_Nhdr;
754
755 #define ELF_NOTE_GNU_NAMESZ 4
756 #define ELF_NOTE_GNU_NAME "GNU\0"
757
758 /*
759 * GNU-specific note type: ABI tag
760 * name: GNU\0
761 * namesz: 4
762 * desc:
763 * word[0]: OS tag
764 * word[1]: major version
765 * word[2]: minor version
766 * word[3]: teeny version
767 * descsz: 16
768 */
769 /* GNU-specific note name and description sizes */
770 #define ELF_NOTE_TYPE_ABI_TAG 1
771 #define ELF_NOTE_ABI_NAME ELF_NOTE_GNU_NAME
772 #define ELF_NOTE_ABI_NAMESZ ELF_NOTE_GNU_NAMESZ
773 #define ELF_NOTE_ABI_DESCSZ 16
774 /* GNU-specific OS/version value stuff */
775 #define ELF_NOTE_ABI_OS_LINUX 0
776 #define ELF_NOTE_ABI_OS_HURD 1
777 #define ELF_NOTE_ABI_OS_SOLARIS 2
778 #define ELF_NOTE_ABI_OS_KFREEBSD 3
779 #define ELF_NOTE_ABI_OS_KNETBSD 4
780
781 /*
782 * GNU-specific note type: Hardware capabilities
783 * name: GNU\0
784 * namesz: 4
785 * desc:
786 * word[0]: Number of entries
787 * word[1]: Bitmask of enabled entries
788 * Followed by a byte id, and a NUL terminated string per entry
789 * descsz: variable
790 */
791 #define ELF_NOTE_TYPE_GNU_HWCAP 2
792
793 /*
794 * GNU-specific note type: Build ID generated by ld
795 * name: GNU\0
796 * desc:
797 * word[0..4] SHA1 [default]
798 * or
799 * word[0..3] md5 or uuid
800 * descsz: 16 or 20
801 */
802 #define ELF_NOTE_TYPE_GNU_BUILD_ID 3
803
804 /* SuSE-specific note type: ABI
805 * name: SuSE\0
806 * namesz: 5
807 * desc:
808 * half[0] = MMmm
809 *
810 * M = product major version
811 * m = product minor version
812 * descsz: 2
813 */
814 #define ELF_NOTE_TYPE_SUSE_TAG 1
815 /* SuSE-specific note name and description sizes */
816 #define ELF_NOTE_SUSE_NAMESZ 5
817 #define ELF_NOTE_SUSE_DESCSZ 2
818 /* SuSE-specific note name */
819 #define ELF_NOTE_SUSE_NAME "SuSE\0"
820
821 /* SuSE-specific note type: version
822 * name: SuSE\0\0\0\0
823 * namesz: 8
824 * desc:
825 * word[0] = VVTTMMmm
826 *
827 * V = version of following data
828 * T = product type: [box, sles, nld, whatever]
829 * M = product major version
830 * m = product minor version
831 * descsz: 8
832 */
833 #define ELF_NOTE_TYPE_SUSE_VERSION_TAG 0x45537553 /* SuSE in LE */
834 /* SuSE-specific note name and description sizes */
835 #define ELF_NOTE_SUSE_VERSION_NAMESZ 8
836 #define ELF_NOTE_SUSE_VERSION_DESCSZ 8
837 /* SuSE-specific note name */
838 #define ELF_NOTE_SUSE_VERSION_NAME "SuSE\0\0\0\0"
839
840 /* NetBSD-specific note type: Emulation name.
841 * name: NetBSD\0\0
842 * namesz: 8
843 * desc:
844 * word[0]: MMmmrrpp00
845 *
846 * M = major version
847 * m = minor version
848 * r = release ["",A-Z,Z[A-Z] but numeric]
849 * p = patchlevel
850 * descsz: 4
851 */
852 #define ELF_NOTE_TYPE_NETBSD_TAG 1
853 /* NetBSD-specific note name and description sizes */
854 #define ELF_NOTE_NETBSD_NAMESZ 7
855 #define ELF_NOTE_NETBSD_DESCSZ 4
856 /* NetBSD-specific note name */
857 #define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
858
859 /* NetBSD-specific note type: Checksum.
860 * There should be 1 NOTE per PT_LOAD section.
861 * name: ???
862 * namesz: ???
863 * desc:
864 * a tuple of <phnum>(16),<chk-type>(16),<chk-value>.
865 * descsz: ???
866 */
867 #define ELF_NOTE_TYPE_CHECKSUM_TAG 2
868 #define ELF_NOTE_CHECKSUM_CRC32 1
869 #define ELF_NOTE_CHECKSUM_MD5 2
870 #define ELF_NOTE_CHECKSUM_SHA1 3
871 #define ELF_NOTE_CHECKSUM_SHA256 4
872
873 /*
874 * NetBSD-specific note type: PaX.
875 * There should be 1 NOTE per executable.
876 * name: PaX\0
877 * namesz: 4
878 * desc:
879 * word[0]: capability bitmask
880 * descsz: 4
881 */
882 #define ELF_NOTE_TYPE_PAX_TAG 3
883 #define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */
884 #define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */
885 #define ELF_NOTE_PAX_GUARD 0x04 /* Force enable Segvguard */
886 #define ELF_NOTE_PAX_NOGUARD 0x08 /* Force disable Servguard */
887 #define ELF_NOTE_PAX_ASLR 0x10 /* Force enable ASLR */
888 #define ELF_NOTE_PAX_NOASLR 0x20 /* Force disable ASLR */
889 #define ELF_NOTE_PAX_NAMESZ 4
890 #define ELF_NOTE_PAX_NAME "PaX\0"
891 #define ELF_NOTE_PAX_DESCSZ 4
892
893 /*
894 * NetBSD-specific core file information.
895 *
896 * NetBSD ELF core files use notes to provide information about
897 * the process's state. The note name is "NetBSD-CORE" for
898 * information that is global to the process, and "NetBSD-CORE@nn",
899 * where "nn" is the lwpid of the LWP that the information belongs
900 * to (such as register state).
901 *
902 * We use the following note identifiers:
903 *
904 * ELF_NOTE_NETBSD_CORE_PROCINFO
905 * Note is a "netbsd_elfcore_procinfo" structure.
906 *
907 * We also use ptrace(2) request numbers (the ones that exist in
908 * machine-dependent space) to identify register info notes. The
909 * info in such notes is in the same format that ptrace(2) would
910 * export that information.
911 *
912 * Please try to keep the members of this structure nicely aligned,
913 * and if you add elements, add them to the end and bump the version.
914 */
915
916 #define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE"
917
918 #define ELF_NOTE_NETBSD_CORE_PROCINFO 1
919
920 #define NETBSD_ELFCORE_PROCINFO_VERSION 1
921
922 struct netbsd_elfcore_procinfo {
923 /* Version 1 fields start here. */
924 uint32_t cpi_version; /* our version */
925 uint32_t cpi_cpisize; /* sizeof(this struct) */
926 uint32_t cpi_signo; /* killing signal */
927 uint32_t cpi_sigcode; /* signal code */
928 uint32_t cpi_sigpend[4]; /* pending signals */
929 uint32_t cpi_sigmask[4]; /* blocked signals */
930 uint32_t cpi_sigignore[4]; /* ignored signals */
931 uint32_t cpi_sigcatch[4]; /* caught signals */
932 int32_t cpi_pid; /* process ID */
933 int32_t cpi_ppid; /* parent process ID */
934 int32_t cpi_pgrp; /* process group ID */
935 int32_t cpi_sid; /* session ID */
936 uint32_t cpi_ruid; /* real user ID */
937 uint32_t cpi_euid; /* effective user ID */
938 uint32_t cpi_svuid; /* saved user ID */
939 uint32_t cpi_rgid; /* real group ID */
940 uint32_t cpi_egid; /* effective group ID */
941 uint32_t cpi_svgid; /* saved group ID */
942 uint32_t cpi_nlwps; /* number of LWPs */
943 int8_t cpi_name[32]; /* copy of p->p_comm */
944 /* Add version 2 fields below here. */
945 int32_t cpi_siglwp; /* LWP target of killing signal */
946 };
947
948 #if !defined(ELFSIZE) && defined(ARCH_ELFSIZE)
949 #define ELFSIZE ARCH_ELFSIZE
950 #endif
951
952 #if defined(ELFSIZE)
953 #define CONCAT(x,y) __CONCAT(x,y)
954 #define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
955 #define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
956 #define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
957 #define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
958 #endif
959
960 #if defined(ELFSIZE) && (ELFSIZE == 32)
961 #define Elf_Ehdr Elf32_Ehdr
962 #define Elf_Phdr Elf32_Phdr
963 #define Elf_Shdr Elf32_Shdr
964 #define Elf_Sym Elf32_Sym
965 #define Elf_Rel Elf32_Rel
966 #define Elf_Rela Elf32_Rela
967 #define Elf_Dyn Elf32_Dyn
968 #define Elf_Word Elf32_Word
969 #define Elf_Sword Elf32_Sword
970 #define Elf_Half Elf32_Half
971 #define Elf_Addr Elf32_Addr
972 #define Elf_Off Elf32_Off
973 #define Elf_SOff Elf32_SOff
974 #define Elf_Nhdr Elf32_Nhdr
975 #define Elf_Verdef Elf32_Verdef
976 #define Elf_Verdaux Elf32_Verdaux
977 #define Elf_Verneed Elf32_Verneed
978 #define Elf_Vernaux Elf32_Vernaux
979 #define Elf_Versym Elf32_Versym
980
981 #define ELF_R_SYM ELF32_R_SYM
982 #define ELF_R_TYPE ELF32_R_TYPE
983 #define ELFCLASS ELFCLASS32
984
985 #define AuxInfo Aux32Info
986 #elif defined(ELFSIZE) && (ELFSIZE == 64)
987 #define Elf_Ehdr Elf64_Ehdr
988 #define Elf_Phdr Elf64_Phdr
989 #define Elf_Shdr Elf64_Shdr
990 #define Elf_Sym Elf64_Sym
991 #define Elf_Rel Elf64_Rel
992 #define Elf_Rela Elf64_Rela
993 #define Elf_Dyn Elf64_Dyn
994 #define Elf_Word Elf64_Word
995 #define Elf_Sword Elf64_Sword
996 #define Elf_Half Elf64_Half
997 #define Elf_Addr Elf64_Addr
998 #define Elf_Off Elf64_Off
999 #define Elf_SOff Elf64_SOff
1000 #define Elf_Nhdr Elf64_Nhdr
1001 #define Elf_Verdef Elf64_Verdef
1002 #define Elf_Verdaux Elf64_Verdaux
1003 #define Elf_Verneed Elf64_Verneed
1004 #define Elf_Vernaux Elf64_Vernaux
1005 #define Elf_Versym Elf64_Versym
1006
1007 #define ELF_R_SYM ELF64_R_SYM
1008 #define ELF_R_TYPE ELF64_R_TYPE
1009 #define ELFCLASS ELFCLASS64
1010
1011 #define AuxInfo Aux64Info
1012 #endif
1013
1014 #ifndef Elf_Symindx
1015 #define Elf_Symindx uint32_t
1016 #endif
1017
1018 #define ELF32_ST_BIND(info) ELF_ST_BIND(info)
1019 #define ELF32_ST_TYPE(info) ELF_ST_TYPE(info)
1020 #define ELF32_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
1021 #define ELF32_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
1022
1023 #define ELF64_ST_BIND(info) ELF_ST_BIND(info)
1024 #define ELF64_ST_TYPE(info) ELF_ST_TYPE(info)
1025 #define ELF64_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
1026 #define ELF64_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
1027
1028 typedef struct {
1029 Elf32_Half si_boundto; /* direct bindings - symbol bound to */
1030 Elf32_Half si_flags; /* per symbol flags */
1031 } Elf32_Syminfo;
1032
1033 typedef struct {
1034 Elf64_Word si_boundto; /* direct bindings - symbol bound to */
1035 Elf64_Word si_flags; /* per symbol flags */
1036 } Elf64_Syminfo;
1037
1038 #define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association
1039 to object containing definition */
1040 #define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */
1041 #define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */
1042 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be
1043 lazily-loaded */
1044 #define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to
1045 object containing definition */
1046 #define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference
1047 directly bind to this symbol */
1048 #define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */
1049 #define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */
1050
1051 #define SYMINFO_BT_SELF 0xffff /* symbol bound to self */
1052 #define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */
1053 #define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */
1054 #define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */
1055 #define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */
1056
1057 #define SYMINFO_NONE 0 /* Syminfo version */
1058 #define SYMINFO_CURRENT 1
1059 #define SYMINFO_NUM 2
1060
1061 /*
1062 * These constants are used for Elf32_Verdef struct's version number.
1063 */
1064 #define VER_DEF_NONE 0
1065 #define VER_DEF_CURRENT 1
1066
1067 /*
1068 * These constants are used for Elf32_Verdef struct's vd_ndx.
1069 */
1070 #define VER_DEF_IDX(x) VER_NDX(x)
1071
1072 /*
1073 * These constants are used for Elf32_Verdef struct's vd_flags.
1074 */
1075 #define VER_FLG_BASE 0x1
1076 #define VER_FLG_WEAK 0x2
1077
1078 /*
1079 * These are used in an Elf32_Versym field.
1080 */
1081 #define VER_NDX_LOCAL 0
1082 #define VER_NDX_GLOBAL 1
1083 #define VER_NDX_GIVEN 2
1084
1085 /*
1086 * These constants are used for Elf32_Verneed struct's version number.
1087 */
1088 #define VER_NEED_NONE 0
1089 #define VER_NEED_CURRENT 1
1090
1091 /*
1092 * These constants are used for Elf32_Vernaux struct's vna_other.
1093 */
1094 #define VER_NEED_HIDDEN VER_NDX_HIDDEN
1095 #define VER_NEED_IDX(x) VER_NDX(x)
1096
1097 /* index */
1098 #define VER_NDX_HIDDEN 0x8000
1099 #define VER_NDX(x) ((x) & ~VER_NDX_HIDDEN)
1100
1101 /*
1102 * GNU Extension hidding symbol
1103 */
1104 #define VERSYM_HIDDEN 0x8000
1105 #define VERSYM_VERSION 0x7fff
1106
1107 #define ELF_VER_CHR '@'
1108
1109 /*
1110 * These are current size independent.
1111 */
1112
1113 typedef struct {
1114 Elf32_Half vd_version; /* version number of structure */
1115 Elf32_Half vd_flags; /* flags (VER_FLG_*) */
1116 Elf32_Half vd_ndx; /* version index */
1117 Elf32_Half vd_cnt; /* number of verdaux entries */
1118 Elf32_Word vd_hash; /* hash of name */
1119 Elf32_Word vd_aux; /* offset to verdaux entries */
1120 Elf32_Word vd_next; /* offset to next verdef */
1121 } Elf32_Verdef;
1122 typedef Elf32_Verdef Elf64_Verdef;
1123
1124 typedef struct {
1125 Elf32_Word vda_name; /* string table offset of name */
1126 Elf32_Word vda_next; /* offset to verdaux */
1127 } Elf32_Verdaux;
1128 typedef Elf32_Verdaux Elf64_Verdaux;
1129
1130 typedef struct {
1131 Elf32_Half vn_version; /* version number of structure */
1132 Elf32_Half vn_cnt; /* number of vernaux entries */
1133 Elf32_Word vn_file; /* string table offset of library name*/
1134 Elf32_Word vn_aux; /* offset to vernaux entries */
1135 Elf32_Word vn_next; /* offset to next verneed */
1136 } Elf32_Verneed;
1137 typedef Elf32_Verneed Elf64_Verneed;
1138
1139 typedef struct {
1140 Elf32_Word vna_hash; /* Hash of dependency name */
1141 Elf32_Half vna_flags; /* flags (VER_FLG_*) */
1142 Elf32_Half vna_other; /* unused */
1143 Elf32_Word vna_name; /* string table offset to version name*/
1144 Elf32_Word vna_next; /* offset to next vernaux */
1145 } Elf32_Vernaux;
1146 typedef Elf32_Vernaux Elf64_Vernaux;
1147
1148 typedef struct {
1149 Elf32_Half vs_vers;
1150 } Elf32_Versym;
1151 typedef Elf32_Versym Elf64_Versym;
1152
1153 #endif /* !_STAND_E32BOOT_ELF_H_ */
1154